Sapphire has a hardness of 9 on the Mohs scale. This beautiful piece of Sapphire from The Umba Valley in Tanzania weighs 3.70cts, measures 13x6x4mm and has some small viels.
UMBA SAPPHIRE 3.70 CTS 13X6X4MM
SKU: UMSA#8
$740.00 Regular Price
$222.00Sale Price
